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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*/
#include "SOMPreviewComposite.h"
#include <tulip/ColorProperty.h>
#include <tulip/GlTextureManager.h>
#include <tulip/GlBoundingBoxSceneVisitor.h>
using namespace tlp;
using namespace std;
SOMPreviewComposite::SOMPreviewComposite(tlp::Coord position, tlp::Size size, const std::string& propertyName, tlp::ColorProperty* colorProperty,
SOMMap *map, ColorScale* colorScale, double minValue, double maxValue) :
propertyName(propertyName), currentPosition(position) {
double spacing = 1;
double labelSizeRate = 0.1;
float labelHeightSize = size.getH() * labelSizeRate;
double scaleSizeRate = 0.1;
Coord frameTopLeft(position.getX(), position.getY() + size.getH(), 0);
Coord frameBottomRight(position.getX() + size.getW(), position.getY(), 0);
//Creating the frame.
frame = new GlRect(frameTopLeft, frameBottomRight, Color(255, 255, 255, 0), Color(255, 255, 255, 0), true, true);
addGlEntity(frame, "frame");
tlp::Size labelSize(size.getW() - spacing * 2, labelHeightSize);
tlp::Coord labelPosition(position.getX() + labelSize.getW() / 2, position.getY() + size.getW() - labelSize.getH() / 2);
label = new tlp::GlLabel(labelPosition, labelSize, tlp::Color(0, 0, 0));
label->setText(propertyName);
addGlEntity(label, "label");
Coord lColorScalePosition(position.getX() + spacing, position.getY(), 0);
Size lColorScaleSize(size.getW() - 2 * spacing, labelHeightSize + size.getH() * scaleSizeRate, 0);
lColorScale = new GlLabelledColorScale(lColorScalePosition, lColorScaleSize, colorScale, minValue, maxValue);
addGlEntity(lColorScale, "scale");
Size screenshotMaxSize(size.getW() - 2 * spacing, size.getH() - labelSize.getH() - spacing - lColorScaleSize.getH());
Size screenshotSize = computeAspectRatio(map->getWidth(), map->getHeight(), screenshotMaxSize.getW(), screenshotMaxSize.getH());
Coord screenshotCoord(position.getX() + spacing, position.getY() + spacing + lColorScaleSize.getH());
Size diff = screenshotMaxSize - screenshotSize;
if (diff.getW() > 0) {
screenshotCoord.setX(screenshotCoord.getX() + diff.getW() / 2);
}
if (diff.getH() > 0) {
screenshotCoord.setY(screenshotCoord.getY() + diff.getH() / 2);
}
mapComposite = new SOMMapElement(screenshotCoord, screenshotSize, map, colorProperty);
addGlEntity(mapComposite, "view");
}
void SOMPreviewComposite::updateColors(tlp::ColorProperty *newColor) {
mapComposite->updateColors(newColor);
}
SOMPreviewComposite::~SOMPreviewComposite() {
reset(true);
}
void SOMPreviewComposite::setFrameColor(tlp::Color color) {
frame->setOutlineColor(color);
}
Size SOMPreviewComposite::computeAspectRatio(unsigned int width, unsigned int height, float maxWidth, float maxHeight) {
Size elementsSize;
if (width > height) {
elementsSize.setW(maxWidth);
elementsSize.setH((elementsSize.getW() * height) / (float) width);
}
else {
elementsSize.setH(maxHeight);
elementsSize.setW((width * elementsSize.getH()) / height);
}
return elementsSize;
}
bool SOMPreviewComposite::isElement(GlEntity* entity) {
deque<GlComposite*> compositeToExplore;
//Search in the current composite and all internal composites to find the element.
compositeToExplore.push_back(this);
while (!compositeToExplore.empty()) {
GlComposite *current = compositeToExplore.front();
compositeToExplore.pop_front();
map<string, GlSimpleEntity*> displays = current->getGlEntities();
for (map<string, GlSimpleEntity*>::iterator itElements = displays.begin(); itElements != displays.end(); ++itElements) {
if (itElements->second == entity) {
return true;
}
//If the element is a composite add it to the list of composite to explore.
GlComposite *composite = dynamic_cast<GlComposite*> (itElements->second);
if (composite) {
compositeToExplore.push_back(composite);
}
}
}
return false;
}
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